1 /*
2 (C) Copyright IBM Corp. 2007, 2008
3 
4 All rights reserved.
5 
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
8 
9 * Redistributions of source code must retain the above copyright notice,
10 this list of conditions and the following disclaimer.
11 * Redistributions in binary form must reproduce the above copyright
12 notice, this list of conditions and the following disclaimer in the
13 documentation and/or other materials provided with the distribution.
14 * Neither the name of IBM nor the names of its contributors may be
15 used to endorse or promote products derived from this software without
16 specific prior written permission.
17 
18 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 POSSIBILITY OF SUCH DAMAGE.
29 
30 */
31 
32 #ifndef __EA_H
33 #define __EA_H
34 
35 #include <stdint.h>
36 #include <stddef.h>
37 #include <sys/syscall.h>
38 #include <sys/types.h>
39 #include <sys/unistd.h>
40 
41 /*
42  * take this out when compiler support is common
43  */
44 #if (!defined( __EA32__ ) && !defined( __EA64__ ))
45 #warning  "need __ea support in compiler to compile to take advantage of libea features"
46 #define __ea
47 #define __EA32__
48 #endif
49 
50 #ifdef __EA64__
51 
52 typedef uint64_t size_ea_t;
53 typedef int64_t ssize_ea_t;
54 typedef uint64_t key_ea_t;
55 #define MAP_FAILED_EA ((__ea void *) -1LL)
56 
57 #else
58 
59 typedef uint32_t size_ea_t;
60 typedef int32_t ssize_ea_t;
61 typedef uint32_t key_ea_t;
62 #define MAP_FAILED_EA ((__ea void *) -1)
63 
64 #endif
65 
66 typedef __ea void * eaptr;
67 struct iovec_ea
68 {
69 #ifdef __EA32__
70   unsigned int __pad1;   /* 32 bit padding */
71 #endif
72   /*__ea void *iov_base;*/
73   eaptr iov_base; /* Starting address */
74 #ifdef __EA32__
75   unsigned int __pad2;   /* 32 bit padding */
76 #endif
77   size_ea_t iov_len;   /* Number of bytes */
78 };
79 
80 
81 /* Memory Mapping functions */
82 __ea void *mmap_ea (__ea void *start, size_ea_t length, int prot, int
83                      flags, int fd, off_t offset);
84 int munmap_ea (__ea void *start, size_ea_t length);
85 __ea void *mremap_ea (__ea void *old_address, size_ea_t old_size,
86                        size_ea_t new_size, unsigned long flags);
87 int msync_ea (__ea void *start, size_ea_t length, int flags);
88 
89 /* EA memory mangement functions */
90 __ea void *calloc_ea (size_ea_t nmemb, size_ea_t length);
91 void free_ea (__ea void *ptr);
92 __ea void *malloc_ea (size_ea_t size);
93 __ea void *realloc_ea (__ea void *ptr, size_ea_t size);
94 int posix_memalign_ea (__ea void **memptr, size_ea_t alignment, size_ea_t size);
95 
96 /* String copying functions */
97 __ea void *memcpy_ea (__ea void *dest, __ea const void *src, size_ea_t n);
98 __ea void *memmove_ea (__ea void *dest, __ea const void *src, size_ea_t n);
99 __ea char *strcpy_ea (__ea char *dest, __ea const char *src);
100 __ea char *strncpy_ea (__ea char *dest, __ea const char *src, size_ea_t n);
101 
102 /* Concatenation functions */
103 __ea char *strcat_ea (__ea char *dest, __ea const char *src);
104 __ea char *strncat_ea (__ea char *dest, __ea const char *src, size_ea_t n);
105 
106 /* Comparison functions */
107 int memcmp_ea (__ea void *s1, __ea const void *s2, size_ea_t n);
108 int strcmp_ea (__ea char *s1, __ea const char *s2);
109 int strncmp_ea (__ea void *s1, __ea const void *s2, size_ea_t n3);
110 
111 /* Search functions*/
112 __ea void *memchr_ea (__ea const void *s, int c, size_ea_t n);
113 __ea char *strchr_ea (__ea const char *s, int c);
114 size_ea_t strcspn_ea (__ea const char *s, const char *reject);
115 __ea char *strpbrk_ea (__ea const char *s, const char *accept);
116 __ea char *strrchr_ea (__ea const char *s, int c);
117 size_ea_t strspn_ea (__ea const char *s, const char *accept);
118 __ea char * strstr_ea (__ea const char *s1, __ea const char *s2);
119 
120 /* Misc functions */
121 __ea void *memset_ea (__ea void *dest, int c, size_ea_t n);
122 size_ea_t strlen_ea (__ea const char *s);
123 
124 /* Linux system call functions */
125 ssize_ea_t read_ea(int fd, __ea void *buf, size_ea_t count);
126 ssize_ea_t pread_ea(int fd, __ea void *buf, size_ea_t count, off_t offset);
127 ssize_ea_t readv_ea(int fd, struct iovec_ea *vector, int count);
128 ssize_ea_t write_ea(int fd, __ea const void *buf, size_ea_t count);
129 ssize_ea_t pwrite_ea(int fd, __ea const void *buf, size_ea_t count, off_t offset);
130 ssize_ea_t writev_ea(int fd, struct iovec_ea *vector, int count);
131 
132 
133 #if defined( __EA64__ ) && defined( __EA32__ )
134 #error __EA64__ and __EA32__ are both defined
135 #endif
136 
137 #endif
138